# import numpy as np
# import utils
# maps = [np.random.uniform(4, 24, (2,2,7,7)).astype(np.float32),
#         np.random.uniform(4, 24, (2,2,1,1)).astype(np.float32)]
# anchors = utils.gen_anchors(maps, [4,8], [16,24], [21,45])
# label = np.random.uniform(4, 24, (7, 4)).astype(np.float32)
# targets = utils.get_targets(anchors, label)
